fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8 ... fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8 Starting 3 threads Threads: 3 Threads: 3 Threads: 3: [mmm] [11.1% done] [ 6128/ 13164 kb/s] [eta 00m:24s] Threads: 3: [mmm] [15.4% done] [ 5916/ 13068 kb/s] [eta 00m:22s] Threads: 3: [mmm] [20.8% done] [ 8592/ 10092 kb/s] [eta 00m:19s] Threads: 3: [mmm] [24.0% done] [ 12908/ 3580 kb/s] [eta 00m:19s] Threads: 3: [mmm] [28.0% done] [ 9512/ 6836 kb/s] [eta 00m:18s] Threads: 3: [mmm] [30.8% done] [ 9964/ 4976 kb/s] [eta 00m:18s] Threads: 3: [mmm] [34.6% done] [ 14248/ 1948 kb/s] [eta 00m:17s] Threads: 3: [mmm] [38.5% done] [ 7008/ 8304 kb/s] [eta 00m:16s] Threads: 3: [mmm] [40.7% done] [ 11044/ 4340 kb/s] [eta 00m:16s] Threads: 3: [mmm] [44.4% done] [ 9640/ 4580 kb/s] [eta 00m:15s] Threads: 3: [mmm] [46.4% done] [ 7884/ 5632 kb/s] [eta 00m:15s] Threads: 3: [mmm] [50.0% done] [ 12580/ 1592 kb/s] [eta 00m:14s] Threads: 3: [mmm] [53.6% done] [ 8992/ 4116 kb/s] [eta 00m:13s] Threads: 3: [mmm] [55.2% done] [ 10632/ 996 kb/s] [eta 00m:13s] Threads: 3: [mmm] [58.6% done] [ 7436/ 2612 kb/s] [eta 00m:12s] Threads: 3: [mmm] [60.0% done] [ 7012/ 2408 kb/s] [eta 00m:12s] Threads: 3: [mmm] [61.3% done] [ 6108/ 3404 kb/s] [eta 00m:12s] Threads: 3: [mmm] [64.5% done] [ 5140/ 3648 kb/s] [eta 00m:11s] Threads: 3: [mmm] [65.6% done] [ 3816/ 2000 kb/s] [eta 00m:11s] Threads: 3: [mmV] [66.7% done] [ 5944/ 1816 kb/s] [eta 00m:11s] Threads: 3: [VmV] [67.6% done] [ 15334/ 176 kb/s] [eta 00m:11s] Threads: 3: [VVV] [70.6% done] [ 16320/ 0 kb/s] [eta 00m:10s] Threads: 3: [VVV] [75.8% done] [ 19876/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [78.8% done] [ 17236/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [81.8% done] [ 15812/ 0 kb/s] [eta 00m:06s] Threads: 2: [VV_] [87.5% done] [ 15924/ 0 kb/s] [eta 00m:04s] fio: (groupid=0): err= 0: pid=12000 read : io=100MiB, bw=3,672KiB/s, runt= 28554msec slat (msec): min= 0, max= 6512, avg=958.05, stdev=1797.04 clat (msec): min= 0, max= 656, avg=100.88, stdev=121.08 bw (KiB/s) : min= 13, max= 9312, per=35.21%, avg=3778.11, stdev=2616.26 write: io=28,748KiB, bw=1,303KiB/s, runt= 22590msec slat (msec): min= 0, max= 4, avg= 0.06, stdev= 0.34 clat (msec): min= 0, max= 1053, avg=129.11, stdev=177.70 bw (KiB/s) : min= 0, max= 6406, per=39.40%, avg=2023.86, stdev=2132.61 cpu : usr=2.91%, sys=0.25%, ctx=1708 IO depths : 1=0.2%, 2=0.3%, 4=12.0%, 8=87.5%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.7%, 4=0.7%, 10=5.1%, 20=18.5%, 50=33.0%, 100=8.9% lat (msec): 250=12.9%, 500=17.4%, 750=1.3%, 1000=0.3%, >=2000=0.0% fio: (groupid=0): err= 0: pid=12001 read : io=100MiB, bw=3,577KiB/s, runt= 29312msec slat (msec): min= 0, max= 6467, avg=1613.41, stdev=2313.92 clat (msec): min= 0, max= 595, avg=94.72, stdev=111.41 bw (KiB/s) : min= 69, max=12214, per=38.02%, avg=4079.43, stdev=2777.94 write: io=41,696KiB, bw=1,857KiB/s, runt= 22990msec slat (msec): min= 0, max= 2, avg= 0.04, stdev= 0.20 clat (msec): min= 0, max= 830, avg=111.82, stdev=150.02 bw (KiB/s) : min= 0, max= 9882, per=57.68%, avg=2963.22, stdev=2680.76 cpu : usr=3.10%, sys=0.26%, ctx=1716 IO depths : 1=0.2%, 2=0.8%, 4=17.8%, 8=81.2%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=2.2%, 4=1.3%, 10=5.6%, 20=19.2%, 50=31.8%, 100=8.9% lat (msec): 250=14.4%, 500=15.4%, 750=0.9%, 1000=0.1%, >=2000=0.0% fio: (groupid=0): err= 0: pid=12002 read : io=100MiB, bw=3,735KiB/s, runt= 28067msec slat (msec): min= 0, max= 7093, avg=1143.31, stdev=1938.30 clat (msec): min= 2, max= 768, avg=94.53, stdev=108.79 bw (KiB/s) : min= 21, max=11433, per=40.95%, avg=4393.84, stdev=2999.25 write: io=44,892KiB, bw=2,163KiB/s, runt= 21247msec slat (msec): min= 0, max= 9, avg= 0.15, stdev= 0.82 clat (msec): min= 0, max= 1166, avg=122.37, stdev=165.30 bw (KiB/s) : min= 0, max=10268, per=74.19%, avg=3811.33, stdev=3189.83 cpu : usr=3.59%, sys=0.21%, ctx=1789 IO depths : 1=0.1%, 2=0.4%, 4=12.4%, 8=87.1%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.6%, 4=1.1%, 10=5.8%, 20=17.4%, 50=31.1%, 100=10.9% lat (msec): 250=16.3%, 500=14.3%, 750=1.1%, 1000=0.2%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=10,731KiB/s, minb=3,577KiB/s, maxb=3,735KiB/s, mint=28067msec, maxt=29312msec WRITE: io=113MiB, aggrb=5,137KiB/s, minb=1,303KiB/s, maxb=2,163KiB/s, mint=28067msec, maxt=29312msec Disk stats (read/write): sda: ios=4848/1781, merge=1599/526, ticks=497680/222928, in_queue=720612, util=99.42% 2.80user 0.28system 0:29.70elapsed 10%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2400minor)pagefaults 0swaps